| Acronym | Meaning |
 | JPL | Jet Propulsion Laboratory |
| ITS | Interferometer Thermal Sounder (HIS) |
| JSC | Johnson Space Center (NASA |
| ITOS | Improved Television And Infrared Observation Satellite (1970s) |
| KSC | Kennedy Space Center |
| PIFTS | Planetary Imaging Fourier Transform Spectrometer |
| K | Kilo |
| EARTHKAM | Earth Knowledge Acquired By Middle-schoolers |
| TOVS | TIROS Operational Vertical Sounder |
| EM | ElectroMagnetic |
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